Shweta thakur Asked a Question
April 9, 2021 10:20 ampts 30 pts
Nor O (ii) Na or Nat ii) Bet or Mg* (iv) I or IF Of ener A d irst (4,H4) and the second (4,H,) ionization enthalpies (kJ mol) of three elements I, II, III are given below: II II h A,H A,H2 Identity the element which is likely to be (a) non-metal (b) an alkali metal (c) an alkaline earth metal. 7. Predict which atom in each of the following nairc hac tha 403 549 1142 be a 2640 1060 2080 h
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  • Priyanshu kumar Best Answer
    (a) II is an alkaline earth metal (b) I is an alkali metal (c) III is a non-metal Ist is alkali metal as see the second ionisation energy IE2 is very high and you know in case of...
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    Priyanshu kumar
    please ask if any doubt
  • Dinesh khalmaniya thankyou
    solution- Generally concept- left to right in a period IP increase and down the group decrease. so IP order alkali metals < alkaline earth metals < p blocks. compair the values of...
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  • Suman Kumar thankyou
    I is alkali metal. II is alkaline earth metal
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    Suman Kumar
    III is non metal. see the increase for I: it has most increase . For II the increase is less
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